Keysight Technologies Inc. FieldFox N9938A Upgrades
The Keysight N9938AU is a series of upgrade options for the FieldFox N9938A handheld microwave spectrum analyzer. These upgrades enable users to enhance the instrument's capabilities after purchase, such as adding measurement applications, frequency range extensions, or advanced analysis features. The N9938AU upgrades are designed to be field-installable, allowing users to adapt their FieldFox analyzer to evolving test requirements without returning the instrument to the factory. Each upgrade is tailored to specific measurement needs, ensuring flexibility and scalability for RF and microwave field testing.